April weather forecast and climate
Spring Valley, CA

Weather in April

April in Spring Valley, California, is an agreeable spring month, with average temperature fluctuating between 51.4°F (10.8°C) and 69.8°F (21°C).

Temperature

In Spring Valley, the average high-temperature in April is relatively the same as in March - a pleasant 69.8°F (21°C). In Spring Valley, California, in April, the average low-temperature is 51.4°F (10.8°C).

Humidity

The average relative humidity in Spring Valley is 64%.

Rainfall

In Spring Valley, during 4.2 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 33 rainfall days, and 2.52" (64mm) of precipitation is accumulated.

Daylight

In April, the average length of the day is 13h.

Sunshine

In April, the average sunshine in Spring Valley, California, is 10.8h.

UV index

In April, the average daily maximum UV index in Spring Valley is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in April in Spring Valley?

In Spring Valley, in April, the average high-temperature is 69.8°F (21°C), and the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in April in Spring Valley?

In April, the average relative humidity is 64%.

How much does it rain in Spring Valley in April?

In Spring Valley, during April, the rain falls for 4.2 days and regularly aggregates up to 0.2" (5mm) of precipitation.

How many hours of daylight does Spring Valley have in April?

In Spring Valley, California, the average length of the day in April is 13h.

How many hours of sunshine does Spring Valley have in April?

In April, the average sunshine in Spring Valley, California, is 10.8h.

How high is the UV index in April in Spring Valley?

In Spring Valley, California, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in April
Spring Valley, CA

Average temperature in April - Spring Valley, CA
  • Average high temperature in April: 69.8°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

  • Average low temperature in April: 51.4°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in April
Spring Valley, CA

Average pressure in April - Spring Valley, CA
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in April
Spring Valley, CA

Average wind speed in April - Spring Valley, CA
  • Average wind speed in April: 5.6mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

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Average humidity in April
Spring Valley, CA

Average humidity in April - Spring Valley, CA
  • Average humidity in April: 64%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is November (54%).

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Average rainfall in April
Spring Valley, CA

Average rainfall in April - Spring Valley, CA
  • Average rainfall in April: 0.2"

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").

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Average rainfall days in April
Spring Valley, CA

Average rainfall days in April - Spring Valley, CA
  • Average rainfall days in April: 4.2 days

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in April /
Average sunshine in April
Spring Valley, CA

Average daylight in April / Average sunshine in April - Spring Valley, CA
  • Average daylight in April: 13h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in April: 10.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.7).

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Average sunshine days in April
Spring Valley, CA

Average sunshine days in April - Spring Valley, CA
  • Average sunshine days in April: 26.7 days

The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).

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Average UV index in April
Spring Valley, CA

Average UV index in April - Spring Valley, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in April
Spring Valley, CA

Average cloud cover in April - Spring Valley, CA
  • Average cloud cover in April: 21

Months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in April
Spring Valley, CA

Average visibility in April - Spring Valley, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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